Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Waldorf, MD

<< 1 2 3 4 5

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-659 7 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-659 8 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-659 9 BTVLMD127MD  5562 METROPCS, INC. 236      
301-705 A WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 0 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 1   145J TERRA NOVA TELECOM INC. 236      
301-705 2 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 3 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 4 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 5 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 6 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 7 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 8 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 9 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-710 A MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-710 0 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-710 1 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-710 2 BTVLMD127MD  5562 METROPCS, INC. 236      
301-710 3 BTVLMD127MD  5562 METROPCS, INC. 236      
301-710 4 BTVLMD127MD  5562 METROPCS, INC. 236      
301-710 5 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-710 6 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-710 7 BTVLMD127MD  5562 METROPCS, INC. 236      
301-710 8 BTVLMD127MD  5562 METROPCS, INC. 236      
301-710 9 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-751 A WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-752 A WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-764 A WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-764 0   2593 CORE COMMUNICATIONS, INC.- MD 236      
301-764 1 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-764 2 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-764 3   2593 CORE COMMUNICATIONS, INC.- MD 236      
301-764 4   2593 CORE COMMUNICATIONS, INC.- MD 236      
301-764 5 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-764 6 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-764 7 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-764 8   515J IP HORIZON LLC 236      
301-764 9   2593 CORE COMMUNICATIONS, INC.- MD 236      
301-818 A WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
301-848 A WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-861 A MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-861 0 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-861 1 HRNDVACKBMD  5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 236      
301-861 2 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-861 3 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-861 4 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-861 5 CHCHMDBE6MD  4716 PAETEC COMMUNICATIONS, INC. - MD 236      
301-861 6 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-861 7 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-861 8 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-861 9 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-885 A WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-885 0 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-885 1 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-885 2 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-885 3 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-885 4 LARLMDLR3MD  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 236      
301-885 5 LARLMDCCDS0  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236      
301-885 6 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-885 7 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-885 8 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-885 9 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-932 A LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-932 0 LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-932 1 LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-932 2 LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-932 3 LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-932 4 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-932 5 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-932 6 LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-932 7 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-932 8 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-932 9 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      

<< 1 2 3 4 5

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.